Cream of Cauliflower Cheese Soup

INGREDIENTS

16 oz

frozen cauliflower -OR- equivalent fresh

3 tbsp

butter

1/4 cup

chopped onion

3 cups

chicken stock

1 1/2 cups

cream (light, heavy or half-n-half)

1/4 cup

grated parmesan cheese

2 cups

shredded sharp cheddar cheese

1 tsp

salt or to taste

1/2 tsp

pepper

Thickening (if desired)

1/4 cup

flour

1/2 cup

water